← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 669 · 40 questions
TalentJR

The trick (Double double): Double the number. Double the answer again. That is the number × 4.

NameDateTime takenScore ___ / 40
  1. 1.55 × 4 =
  2. 2.32 × 4 =
  3. 3.58 × 4 =
  4. 4.14 × 4 =
  5. 5.13 × 4 =
  6. 6.21 × 4 =
  7. 7.60 × 4 =
  8. 8.26 × 4 =
  9. 9.39 × 4 =
  10. 10.7 × 4 =
  11. 11.24 × 4 =
  12. 12.29 × 4 =
  13. 13.30 × 4 =
  14. 14.6 × 4 =
  15. 15.45 × 4 =
  16. 16.15 × 4 =
  17. 17.48 × 4 =
  18. 18.19 × 4 =
  19. 19.8 × 4 =
  20. 20.18 × 4 =
  21. 21.44 × 4 =
  22. 22.41 × 4 =
  23. 23.10 × 4 =
  24. 24.43 × 4 =
  25. 25.56 × 4 =
  26. 26.37 × 4 =
  27. 27.49 × 4 =
  28. 28.28 × 4 =
  29. 29.22 × 4 =
  30. 30.52 × 4 =
  31. 31.16 × 4 =
  32. 32.36 × 4 =
  33. 33.57 × 4 =
  34. 34.20 × 4 =
  35. 35.46 × 4 =
  36. 36.34 × 4 =
  37. 37.25 × 4 =
  38. 38.23 × 4 =
  39. 39.42 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 220
  2. 128
  3. 232
  4. 56
  5. 52
  6. 84
  7. 240
  8. 104
  9. 156
  10. 28
  11. 96
  12. 116
  13. 120
  14. 24
  15. 180
  16. 60
  17. 192
  18. 76
  19. 32
  20. 72
  21. 176
  22. 164
  23. 40
  24. 172
  25. 224
  26. 148
  27. 196
  28. 112
  29. 88
  30. 208
  31. 64
  32. 144
  33. 228
  34. 80
  35. 184
  36. 136
  37. 100
  38. 92
  39. 168
  40. 124

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks